<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<link rel='stylesheet'href='../css/position_relative.css'>
</head>
<body>
<div id='p'>
	<div id='c1'>DIV C1</div>
	<div id='c2'>DIV C2</div>
	<div id='c3'>DIV C3</div>
	<div id='c4'>DIV C4</div>
</div>
</body>
</html>